Right click "My computer" and select "Manage".
Select "Services" in the left menu and find/enable "WLAN AutoConfig".
Click Start -> Control Panel, Select and click Network and Sharing Center or Network and Internet-> View network status and tasks, then click Change adapter settings.
Select the wireless connection, right click it and select Connect/Disconnect.
At the right side corner, a small popup show the wireless networks. Click Refresh button to view the wireless network. Select the correct one, then double click it or click Connect.
If the wireless network is secured, you will be requested to enter the password to connect to it, then click OK.
After a few minutes, it will connect to the wireless network.